Home / 178,109.85-267,081.72-103,251.42

Finding the Fourth Proportional to 178,109.85, 267,081.72 and 103,251.42

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Solution

The fourth proportional to 178,109.85, 267,081.72 and 103,251.42 is: 154,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,109.85 : 267,081.72 = 103,251.42 : x
  2. Step 2: Convert to fraction form
    178,109.85/267,081.72 = 103,251.42/x
  3. Step 3: Cross multiply
    178,109.85x = 267,081.72 × 103,251.42
  4. Step 4: Simplify right side
    178,109.85x = 27,576,566,846.04
  5. Step 5: Solve for x
    x = 27,576,566,846.04/178,109.85
  6. Step 6: Final answer
    x = 154,828.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.